mgchelo198
mgchelo198
21-09-2016
Mathematics
contestada
What is the answer to this -3m=-9+-2m
Respuesta :
candystarlover4
candystarlover4
21-09-2016
1.
Simplify -9 + -2m to -9 - 2m
-3m = -9 - 2m
2.
Add
2m
to both sides
-3m + 2m = -9
3.
Simplify -3m + 2m to -m
-m = -9
4.
Multiply both sides by
−
1
m = 9
Done! :) our answer is
m = 9
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